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Finding the Fourth Proportional to 227,711.21, 341,566.09 and 61,499.21

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Solution

The fourth proportional to 227,711.21, 341,566.09 and 61,499.21 is: 92,248.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,711.21 : 341,566.09 = 61,499.21 : x
  2. Step 2: Convert to fraction form
    227,711.21/341,566.09 = 61,499.21/x
  3. Step 3: Cross multiply
    227,711.21x = 341,566.09 × 61,499.21
  4. Step 4: Simplify right side
    227,711.21x = 21,006,042,836.21
  5. Step 5: Solve for x
    x = 21,006,042,836.21/227,711.21
  6. Step 6: Final answer
    x = 92,248.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.